1. Model-Based Design and SDR Fabio Ancona Sundance Italia SRL CEO – Sales Director

2. www.sundance.com Model-Based Design Designing complex systems needs new design methodologies: – Binary coding. – Assembly coding. – C programming. – Model-Based Designing.

3. www.sundance.com Aim of Model-Based Design Aim of Model-Based Design methodology is: – Simplify design entry. Graphical design entry. Hierarchical system design. – Design reuse: Design library. Sharing designs.

4. www.sundance.com Model-Based Design tools Properties of a good Model-Based Design tool: – Easy design entry. – Design simulation. – Code generation. – Testing on real hardware.

5. www.sundance.com Easy design entry Easy design entry helps to reduce the system design time. The design entry tool should be: – Graphical. – Library for different functions. – Library for hardware resources.

6. www.sundance.com Design simulation Simulation helps to find error and bugs in the early stages of design entry. The simulation should be: – Accurate. – Target processor specifications. – Simple and fast.

7. www.sundance.com Code generation Model to C source code. Generated code should be: – Optimized. – Suitable for embedded systems. – Be fast and without user intervention. – Provide tools to generate downloadable application from generated source code.

8. www.sundance.com Testing Testing generated code on target hardware. Hardware In the Loop (HIL) testing. – Designed system runs on target hardware. – Workstation send test vectors to system under test. – Output of system under test is analyzed by workstation.

9. www.sundance.com Model-Based Design tools Simulink/Matlab (The MathWorks Inc) LabView (National Instruments) – Suitable for test and measurement design. – Limited capability for embedded system development VEE (Agilent) – Suitable for developing test and measurement systems. – No code generation capability.

10. www.sundance.com Simulink/Matlab Suitable for number crunching systems such as SDR. Large selection of code generation targets. – SMT6050 : targeting Sundance DSP modules. code optimization options. HIL testing (SMT6050)

11. www.sundance.com Simulink + SMT6050 Simulink (The MathWorks Inc) – Design Entry SMT6050 (Sundance) – Code generation compatible with Sundance DSP modules.

12. www.sundance.com Simulink Interactive graphical user interface for system design. Simulating designed system. Extensive and expandable libraries of predefined blocks.

13. www.sundance.com SMT6050 Code generator for Simulink – Generate optimized, embeddable C source code targeting Sundance DSP modules. – Add blocks representing hardware resources (input/output, ADC, DAC). – Generate code for HIL testing.

14. www.sundance.com SDR design Purpose: – To demonstrate how self sufficient code could be generated using Simulink + SMT6050 System – FM3TR reference waveform modulator/demodulator. – Design – Simulation – Code generation – HIL testing

15. www.sundance.com FM 3 TR Multi-band, Multi-waveform, Modular, Tactical Radio (FM 3 TR) waveform. A reference waveform for SDR Forum consideration. – Provides the SDR Forum and its members a non- proprietary, complex narrowband frequency- hopping waveform for implementation as a common test and demonstration tool. There are a number of systems [US, UK, GE, FR] that have already implemented and successfully demonstrated interoperability using this test waveform.

16. www.sundance.com FM 3 TR Frequency range: 30-400KHz Channel spacing: 25kHz Modulation type: CPFSK Modulation rate: 25kbps Frequency hopping - 250-500 hops/second Framing, packetization 16kbps CVSD Voice coder Data channel with Reed-Solomon Coding

17. www.sundance.com FM 3 TR modulator/demodulator Implemented and simulated in Simulink. Test bench.

18. www.sundance.com FM 3 TR modulator Modulate the incoming signal according to FM 3 TR standard.

19. www.sundance.com FM 3 TR Demodulator Compatible with developed modulator.

20. www.sundance.com Hardware Sundance SDR kit. – TMS320C6416 running at 1GHz. – 2 ADC sampling rate up to 105 MHz. – 2 DAC sampling rate up to 400 MHz. – PCI interface for high speed data communication with PC.

21. www.sundance.com Code generation (SMT6050) Targeted Sundance SDR kit. – Building all of the required library automatically. Libraries were compiled and linked using the specified complier and linker switches. – All required files was generated. C source files. Linker command file. Make file. Batch file.

22. www.sundance.com HIL testing All of the code for HIL testing is generated automatically – Communicating with host. – Synchronization. Data flow synchronization.

23. www.sundance.com HIL testing FM 3 TR Modulator/demodulator runs on DSP. – Code for Modulator/Demodulator generated. Test bench runs on host. – New test bench model is created.

24. www.sundance.com FM 3 TR code generation Modulator/demodulator dragged and drops to a new model. Host communication blocks added into it.

25. www.sundance.com HIL test bench Modulator/demodulator subsystems is replaced by SMT310 block.

26. www.sundance.com HIL testing Generated application from modulator/ demodulator was loaded into DSP. Test bench ran on host. The validity of generated code was proved.

27. www.sundance.com Generated code: Generated code is fully documented: – Comment on source code. – Code generation report with a hyperlink from Simulink block to the generated code.

28. www.sundance.com “Is code good ?” Yes, automatically generated code is good from many perspectives: – speed – memory utilization – reliability – optimization options – one can incorporate legacy/custom code … – …

29. www.sundance.com Conclusion The next innovation in system design is Model-Based Design. An effective Model-Based Design can reduce the development time. HIL testing is a suitable technique for testing generated code. Simulink + SMT6050 is an effective combination for developing SDR systems using Model-Based Design Technique. – Generate code targeted Sundance SDR modules. – Generate all codes for HIL testing.

30. www.sundance.com Questions